The WTBW2-6200-6800-1-40-20SSK from Wainwright Instruments is a bandpass filter with a manually tunable passband of 1 to 3 MHz. The center frequency (Fo) can be selected by the customer to be between 6.2 and 6.8 GHz. This filter has an insertion loss of less than 8 dB and provides more than 20 dB of attenuation above and below the band. The filter is available in a module with a 2-section waveguide design and measures 110 x 50 x 24.5 mm (plus connectors and flanges) with SMA female connectors.